$262 Cheap Flights from Duluth (DLH) to Sioux Falls (FSD)

View $262 flight on Sat, Sep 12, 2026Opens in a new window

Popular airlines from Duluth, MN (DLH-Duluth Intl.) to Sioux Falls Regional Airport (FSD)

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Cheap Flights from Duluth to Sioux Falls (DLH-FSD)

Prices were available within the past 7 days and start at $262 for one-way flights and $298 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, May 1 - Sun, May 3
DLH
Duluth
FSD
Sioux Falls
$298 Roundtrip, found 6 days ago
$298
Roundtrip
found 6 days ago
Select United flight, departing Fri, May 1 from Duluth to Sioux Falls, returning Sun, May 3, priced at $298 found 6 days ago
United
Thu, Apr 16 - Sun, Apr 19
DLH
Duluth
FSD
Sioux Falls
$308 Roundtrip, found 19 hours ago
$308
Roundtrip
found 19 hours ago
Select United flight, departing Thu, Apr 16 from Duluth to Sioux Falls, returning Sun, Apr 19, priced at $308 found 19 hours ago
United
Sat, Apr 11 - Sun, Apr 12
DLH
Duluth
FSD
Sioux Falls
$310 Roundtrip, found 4 days ago
$310
Roundtrip
found 4 days ago
Select United flight, departing Sat, Apr 11 from Duluth to Sioux Falls, returning Sun, Apr 12, priced at $310 found 4 days ago
United
Fri, May 1 - Sun, May 3
DLH
Duluth
FSD
Sioux Falls
$351 Roundtrip, found 6 days ago
$351
Roundtrip
found 6 days ago
Select United flight, departing Fri, May 1 from Duluth to Sioux Falls, returning Sun, May 3, priced at $351 found 6 days ago
United
Fri, Apr 10 - Sun, Apr 12
DLH
Duluth
FSD
Sioux Falls
$358 Roundtrip, found 4 days ago
$358
Roundtrip
found 4 days ago
Select United flight, departing Fri, Apr 10 from Duluth to Sioux Falls, returning Sun, Apr 12, priced at $358 found 4 days ago
United
Sat, Apr 11 - Sun, Apr 12
DLH
Duluth
FSD
Sioux Falls
$360 Roundtrip, found 4 days ago
$360
Roundtrip
found 4 days ago
Select United flight, departing Sat, Apr 11 from Duluth to Sioux Falls, returning Sun, Apr 12, priced at $360 found 4 days ago
United
Fri, May 1 - Sun, May 3
DLH
Duluth
FSD
Sioux Falls
$368 Roundtrip, found 6 days ago
$368
Roundtrip
found 6 days ago
Select United flight, departing Fri, May 1 from Duluth to Sioux Falls, returning Sun, May 3, priced at $368 found 6 days ago
United
Thu, Apr 16 - Sun, Apr 19
DLH
Duluth
FSD
Sioux Falls
$372 Roundtrip, found 19 hours ago
$372
Roundtrip
found 19 hours ago
Select United flight, departing Thu, Apr 16 from Duluth to Sioux Falls, returning Sun, Apr 19, priced at $372 found 19 hours ago
United
Thu, Apr 16 - Sun, Apr 19
DLH
Duluth
FSD
Sioux Falls
$378 Roundtrip, found 19 hours ago
$378
Roundtrip
found 19 hours ago
Select United flight, departing Thu, Apr 16 from Duluth to Sioux Falls, returning Sun, Apr 19, priced at $378 found 19 hours ago
Delta
Wed, Jun 24 - Sun, Jun 28
DLH
Duluth
FSD
Sioux Falls
$392 Roundtrip, found 20 hours ago
$392
Roundtrip
found 20 hours ago
Select Delta flight, departing Wed, Jun 24 from Duluth to Sioux Falls, returning Sun, Jun 28, priced at $392 found 20 hours ago

Frequently asked questions

How much does a flight from Duluth, MN (DLH-Duluth Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) cost?
You can find cheap one-way flights from $262 and cheap return flights from $298 Duluth, MN (DLH-Duluth Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) with Expedia. One-way flights generally range between $331 and $822, and roundtrip flights usually range from $415 to $955. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Duluth, MN (DLH-Duluth Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Duluth, MN (DLH-Duluth Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
The cheapest month to fly from DLH to FSD is May when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Duluth, MN (DLH-Duluth Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
Enter DLH to FSD and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Duluth, MN (DLH-Duluth Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
Delta is one of the cheapest airlines offering connecting flights from Duluth Intl. (DLH) to Sioux Falls Regional (FSD), with round-trip tickets starting from around $315.97. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Duluth, MN (DLH-Duluth Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
To find a cheap flight from Duluth, MN (DLH-Duluth Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Duluth, MN (DLH-Duluth Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Duluth, MN (DLH-Duluth Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
The earliest flight from Duluth, MN (DLH) to Sioux Falls, SD (FSD) typically departs at around 5:00 AM, operated by Delta. This is a seasonal service active in December, allowing you to maximize your time in Sioux Falls. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Duluth, MN (DLH-Duluth Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
For flights from Duluth (DLH) to Sioux Falls (FSD), the most popular departure times are in the early morning, from 6am to 9am. This accounts for around 38% of total traffic. Delta Air Lines and United Airlines are among the carriers that operate during this time. Many travelers prefer this timing as it allows for a full day of activities upon arrival.
How long does it take to fly from Duluth, MN (DLH-Duluth Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
Flights from DLH to FSD with one stop typically take around 6 hours 50 minutes, covering approximately 316 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Duluth, MN (DLH-Duluth Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
First class seats are offered on the DLH to FSD route with Delta Air Lines.
How do I earn miles on a Duluth, MN (DLH-Duluth Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) flight with Expedia?
It's easy to earn miles on a Duluth, MN (DLH-Duluth Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Sioux Falls from Duluth Intl. (DLH)?
From Duluth Intl. (DLH), you can fly into Sioux Falls Regional (FSD) to reach Sioux Falls. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Duluth, MN (DLH-Duluth Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) at the last minute?
Typically, booking a last minute flight from Duluth, MN (DLH-Duluth Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Duluth, MN (DLH-Duluth Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) flight and hotel package?
Securing a Duluth, MN (DLH-Duluth Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) Sioux Falls Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Duluth, MN (DLH-Duluth Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
If you booked your Duluth, MN (DLH-Duluth Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Duluth Intl.
Destination airport
Sioux Falls Regional
Airlines serving
Delta, United
Roundtrip price
$298
Distance
315 mi

Book with confidence

Duluth to Sioux Falls Flights

The cheapest times to fly from Duluth to Sioux Falls

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Duluth to Sioux Falls are during the month of May. You can find some of the cheapest flights from Duluth to Sioux Falls with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Duluth to Sioux Falls

Sunday is one of the best days to book for cheap flights from Duluth to Sioux Falls: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Duluth to Sioux Falls

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Duluth to Sioux Falls in 2026. You can also book with separate airlines for your outbound and return journeys, from $262 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Duluth to Sioux Falls flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Duluth to Sioux Falls airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Duluth to Sioux Falls Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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